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19618 Masa (1999 PN3)
Classification: Main-belt Asteroid          SPK-ID: 2019618
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205626709292056 3.6714e-08  
a 2.349970671131135 8.5891e-09 au
q 1.866753935093595 8.9368e-08 au
i 9.112552337597448 3.4451e-06 deg
node 264.3166566748661 2.5333e-05 deg
peri 36.74050534932523 2.6749e-05 deg
M 343.9035770089645 9.712e-06 deg
tp 2459259.332725134191
(2021-Feb-13.83272513)
3.5575e-05 TDB
period 1315.806689480277
3.60
7.2138e-06
1.975e-08
d
yr
n .2735964202630665 1.5e-09 deg/d
Q 2.833187407168674 1.0355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1660  
   data-arc span      25429 days (69.62 yr)  
   first obs. used      1951-01-04  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:59:49  

Additional Information
 Earth MOID = .857783 au 
 Jupiter MOID = 2.39676 au 
 T_jup = 3.513 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO467929  
diameter diameter 4.148 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.149   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19618 Maša           Discovered 1999 Aug. 11 by J. Skvarč at Črni Vrh Observatory.
Maša Kandušer (b. 1964) is an inspirational person and a woman for whom you want to save this world or discover a new one.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2026-Mar-29 00:06 < 00:01 Psych 0.043780362929322 0.0437782597144298 0.0437824661618185 3.90727204128199 3.90727197055256 2461128.503958939 0.901190320502456 114.457143148809 32.6877045688495 -24.8212847326669 98757.3852465365 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:59:57 2021-Apr-13 02:59
2158-Nov-23 15:18 < 00:01 Amphi 0.0297676248963416 0.0297470128305355 0.0297882395836676 5.59847896579045 5.59847893129523 2509580.137496314 0.480082571390789 1118.14385748349 42.3925566776974 23.2310915772402 41582.5194820364 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:59:57 2021-Apr-13 02:59
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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